How did the first humans realize that they need to eat and drink to survive?

1. 2019-03-14 at 12:49 PM UTC

   #21
   

   Jiggaboo_Johnson Black Hole
   Instinct, the desire to suck tit is there from birth
   The following users say it would be alright if the author of this post didn't die in a fire!

   • WellHung
2. 2019-03-14 at 1:12 PM UTC

   #22
   

   SHARK Houston
   Eating on unintelligent impulses should be very familiar to OP.